Solving Quadratic Equations Solving quadratic equations If given an unusual looking equation, try to rearrange it into this form first The three ways to solve a quadratic you must know are Factoris...
Completing the square What is completing the square? Completing the square is another method used to solve quadratic equations It can be used to help find other information about the quadratic like...
Discriminants What is a discriminant? How does the discriminant affect graphs and roots? There are three options for the outcome of the discriminant: Discriminant and inequalities You need to be ab...
Quadratic Graphs What are quadratic graphs? Using quadratic graphs You need to be able to: sketch a quadratic graph given an equation or information about the graph determine, from the equation, th...
Expanding Quadratics You should be familiar with all aspects of basic algebra including manipulating expressions; simplifying; expanding and factorising brackets with both linear and quadratics. I...
Normal Hypothesis Testing What steps should I follow when carrying out a hypothesis test for the mean of a normal distribution? Following these steps will help when carrying out a hypothesis test f...
Poisson Hypothesis Testing How is a hypothesis test carried out for the mean of a Poisson distribution? The population parameter being tested will be the mean, λ , in a Poisson distribution As it i...
Binomial Hypothesis Testing How is a hypothesis test carried out with the binomial distribution? The population parameter being tested will be the probability, p in a binomial distribution B(n , p...
Type I & Type II Errors Any hypothesis test will only provide evidence about whether a parameter has changed or not. A conclusion can not claim with certainty whether to accept or reject the nu...
